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Forum: Monohull Sailboats

01-07-2012, 20:39

Replies: 266

Capsize Ratio's

Views: 82,206

Posted By Adelie

Re: Capsize Ratio's

News flash, most of what is on this site is opinion (some if it more informed, some not so informed), or hadn't you noticed?

Forum: Monohull Sailboats

15-06-2012, 11:58

Replies: 266

Capsize Ratio's

Views: 82,206

Posted By Adelie

Re: Capsize Ratio's

I assumed your comments were in regards to survival conditions offshore since that is my understanding of what this thread is about.

Forum: Monohull Sailboats

15-06-2012, 11:19

Replies: 266

Capsize Ratio's

Views: 82,206

Posted By Adelie

Re: Capsize Ratio's

Not really, my comment was sarcasm.

You made a blanket statement implying that seamanship and boat length are a lot more important than boat design in really bad weather.

The reference to the...

Forum: Monohull Sailboats

12-06-2012, 20:34

Replies: 266

Capsize Ratio's

Views: 82,206

Posted By Adelie

Re: Capsize Ratio's

Are you saying the folks that got rolled during the Fastnet in 1979 didn't exhibit very good seamanship?

Forum: Monohull Sailboats

06-06-2012, 13:17

Replies: 266

Capsize Ratio's

Views: 82,206

Posted By Adelie

Re: Capsize Ratio's

Lapworth, Perry, Lee.

Forum: Monohull Sailboats

06-06-2012, 13:15

Replies: 266

Capsize Ratio's

Views: 82,206

Posted By Adelie

Re: Capsize Ratio's

It is arguable whether Taberly was the best sailor of all time (my vote would be for Knox-Johnston). And even if he was that doesn't make him a sailboat designer.

Forum: Monohull Sailboats

06-06-2012, 09:24

Replies: 266

Capsize Ratio's

Views: 82,206

Posted By Adelie

Re: Capsize Ratio's

In what context did he say newer boats were safer than older boats?
In some ways or in all ways safer?
All new boats, most new boats or some new boats?

Do you have a citation we could read?
...

Forum: Monohull Sailboats

06-06-2012, 08:38

Replies: 266

Capsize Ratio's

Views: 82,206

Posted By Adelie

Re: Capsize Ratio's

How much of the increase is due to NA's believing that wider is just as safe and how much is due to buyer demand for roomier boats?

Increased beam is not a safety issue for the vast majority of...

Forum: Monohull Sailboats

06-06-2012, 08:27

Replies: 266

Capsize Ratio's

Views: 82,206

Posted By Adelie

Re: Capsize Ratio's

Stock car racing is a poor analogy, the 'stock' cars aren't really stock anymore except for things like amateur rallying and amateur sports car racing.

The problem is not that there are purpose...

Forum: Monohull Sailboats

01-04-2012, 21:21

Replies: 266

Capsize Ratio's

Views: 82,206

Posted By Adelie

Re: Capsize Ratio's

But the stability curve is neither here nor there, righting moment is a static property and capsize a dynamic event, the real question is whether the 40class has proportionately more roll inertia...

Forum: Monohull Sailboats

01-04-2012, 14:18

Replies: 266

Capsize Ratio's

Views: 82,206

Posted By Adelie

Re: Capsize Ratio's

Actually the older boats tended to have higher AVS's due to their narrower beams. A case in point would be the Contessa 32 at about 155deg AVS.

The wider beam of newer boats may create a stiffer...

Forum: Monohull Sailboats

31-03-2012, 21:30

Replies: 266

Capsize Ratio's

Views: 82,206

Posted By Adelie

Re: Capsize Ratio's

The only boats with positive righting moment all the way to 180deg were the so called 'Lead Mines' from the late 1800's which were a product of the racing rules of the times, specifically the Thames...

Forum: Monohull Sailboats

17-03-2012, 21:56

Replies: 266

Capsize Ratio's

Views: 82,206

Posted By Adelie

Re: Capsize Ratio's

Normally I have a fair amount of respect for USSailing, but in this case there are a number of problems with the article.

First the article conflates stability and capsize resistance. Stability...

Forum: Monohull Sailboats

17-03-2012, 15:56

Replies: 266

Capsize Ratio's

Views: 82,206

Posted By Adelie

Re: Capsize Ratio's

The Capsize Screening Formula is a quick and dirty formula for indicating whether a naval architect should do more analysis of a boat's capsize resistance.

The more involved analysis looks at the...

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